JP4963647B2 - 画像投射装置 - Google Patents

画像投射装置 Download PDF

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Publication number
JP4963647B2
JP4963647B2 JP2007204920A JP2007204920A JP4963647B2 JP 4963647 B2 JP4963647 B2 JP 4963647B2 JP 2007204920 A JP2007204920 A JP 2007204920A JP 2007204920 A JP2007204920 A JP 2007204920A JP 4963647 B2 JP4963647 B2 JP 4963647B2
Authority
JP
Japan
Prior art keywords
temperature
air
exhaust
lamp
exhaust port
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2007204920A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009042330A5 (enrdf_load_stackoverflow
JP2009042330A (ja
Inventor
野田　　敏之
歩 亀岡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2007204920A priority Critical patent/JP4963647B2/ja
Priority to DE602008001755T priority patent/DE602008001755D1/de
Priority to EP08161532A priority patent/EP2026127B1/en
Priority to US12/187,045 priority patent/US8061852B2/en
Priority to CN2008101453431A priority patent/CN101369093B/zh
Publication of JP2009042330A publication Critical patent/JP2009042330A/ja
Publication of JP2009042330A5 publication Critical patent/JP2009042330A5/ja
Priority to US13/299,903 priority patent/US8408716B2/en
Application granted granted Critical
Publication of JP4963647B2 publication Critical patent/JP4963647B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/16—Cooling; Preventing overheating
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/3144—Cooling systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7441—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being an array of liquid crystal cells
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3102—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] using two-dimensional electronic spatial light modulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Transforming Electric Information Into Light Information (AREA)
JP2007204920A 2007-08-07 2007-08-07 画像投射装置 Active JP4963647B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2007204920A JP4963647B2 (ja) 2007-08-07 2007-08-07 画像投射装置
DE602008001755T DE602008001755D1 (de) 2007-08-07 2008-07-31 Bildprojektor
EP08161532A EP2026127B1 (en) 2007-08-07 2008-07-31 Image projection apparatus
US12/187,045 US8061852B2 (en) 2007-08-07 2008-08-06 Image projection apparatus
CN2008101453431A CN101369093B (zh) 2007-08-07 2008-08-07 图像投影装置
US13/299,903 US8408716B2 (en) 2007-08-07 2011-11-18 Image projection apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007204920A JP4963647B2 (ja) 2007-08-07 2007-08-07 画像投射装置

Publications (3)

Publication Number Publication Date
JP2009042330A JP2009042330A (ja) 2009-02-26
JP2009042330A5 JP2009042330A5 (enrdf_load_stackoverflow) 2010-05-20
JP4963647B2 true JP4963647B2 (ja) 2012-06-27

Family

ID=39951611

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007204920A Active JP4963647B2 (ja) 2007-08-07 2007-08-07 画像投射装置

Country Status (5)

Country Link
US (2) US8061852B2 (enrdf_load_stackoverflow)
EP (1) EP2026127B1 (enrdf_load_stackoverflow)
JP (1) JP4963647B2 (enrdf_load_stackoverflow)
CN (1) CN101369093B (enrdf_load_stackoverflow)
DE (1) DE602008001755D1 (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5247005B2 (ja) * 2006-04-27 2013-07-24 キヤノン株式会社 画像投射装置および画像表示システム
JP4963647B2 (ja) * 2007-08-07 2012-06-27 キヤノン株式会社 画像投射装置
JP5621491B2 (ja) * 2010-10-12 2014-11-12 セイコーエプソン株式会社 投射型表示装置及びその制御方法
CN102368136B (zh) * 2011-09-21 2013-07-10 广东威创视讯科技股份有限公司 一种用于背投箱的机芯散热结构
JP6086286B2 (ja) * 2012-08-23 2017-03-01 株式会社リコー 画像投影装置
CN203643735U (zh) * 2013-11-14 2014-06-11 中强光电股份有限公司 光源模块与投影装置
CN203883953U (zh) * 2014-04-22 2014-10-15 深圳市绎立锐光科技开发有限公司 色轮防尘散热模组及光源系统
JP6745051B2 (ja) * 2015-09-09 2020-08-26 株式会社リコー 画像投写装置
EP3246752B1 (en) * 2016-05-20 2019-02-06 Hisense Co. Ltd. Apparatus and method for controlling a laser projector
JP6884539B2 (ja) * 2016-09-27 2021-06-09 キヤノン株式会社 投射型表示装置
CN115421350A (zh) * 2022-09-09 2022-12-02 深圳市橙子数字科技有限公司 一种投影仪风扇转速智能控制方法及装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3117489A (en) * 1960-10-14 1964-01-14 American Optical Corp Image projector with air circulating means
JPS61160934A (ja) * 1985-01-10 1986-07-21 Canon Inc 投影光学装置
JP3531483B2 (ja) 1998-07-16 2004-05-31 セイコーエプソン株式会社 投写型表示装置
JP3576407B2 (ja) * 1998-11-18 2004-10-13 富士通株式会社 投写型表示装置
JP2001092014A (ja) * 1999-09-22 2001-04-06 Nec Corp プロジェクター装置及びその障害物認識方法
JP2002081589A (ja) * 2000-09-07 2002-03-22 Nec Kyushu Ltd 誤接続防止流体コネクタ
JP3625774B2 (ja) * 2001-02-27 2005-03-02 三洋電機株式会社 液晶プロジェクタ
JP2003043577A (ja) * 2001-08-01 2003-02-13 Sanyo Electric Co Ltd 液晶プロジェクタ
JP2003195254A (ja) * 2001-12-26 2003-07-09 Seiko Epson Corp 光学装置、およびこれを備えたプロジェクタ
JP2004021116A (ja) * 2002-06-19 2004-01-22 Seiko Epson Corp 光学素子冷却装置、光学装置、および、プロジェクタ
TW547675U (en) 2002-12-19 2003-08-11 Coretronic Corp A projection cooling apparatus
JP2005156748A (ja) * 2003-11-21 2005-06-16 Canon Inc 投射型画像表示装置
JP4963647B2 (ja) * 2007-08-07 2012-06-27 キヤノン株式会社 画像投射装置

Also Published As

Publication number Publication date
US20090040471A1 (en) 2009-02-12
US8408716B2 (en) 2013-04-02
EP2026127A1 (en) 2009-02-18
EP2026127B1 (en) 2010-07-14
US20120062854A1 (en) 2012-03-15
DE602008001755D1 (de) 2010-08-26
CN101369093A (zh) 2009-02-18
JP2009042330A (ja) 2009-02-26
US8061852B2 (en) 2011-11-22
CN101369093B (zh) 2010-06-09

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